Note: This 1712 deed is the first found mentioning Francis. His estimated birth date is based on him being at least 21 years old by date of grant though he was likely older.

1712 Apr 4 (Northern Neck Proprietary Grants) From Catherine Lady Fairfax to Francis Jackson 227A on the South Run of Quantico Creek . This land adjoins land of Robert Hedges purchased in 1708.

Note that in 1745 his son (also named Francis Jackson) records a resurvey of this same 227A saying it was first purchased by his (unnamed) father. This 1712 deed is the original purchase of the 227 acres by Francis Jackson, proving that the Francis of the 1745 deed had a father also named Francis.